Home / 31,758.40-43,827.65-17,419.24

Finding the Fourth Proportional to 31,758.40, 43,827.65 and 17,419.24

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Solution

The fourth proportional to 31,758.40, 43,827.65 and 17,419.24 is: 24,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.40 : 43,827.65 = 17,419.24 : x
  2. Step 2: Convert to fraction form
    31,758.40/43,827.65 = 17,419.24/x
  3. Step 3: Cross multiply
    31,758.40x = 43,827.65 × 17,419.24
  4. Step 4: Simplify right side
    31,758.40x = 763,444,353.99
  5. Step 5: Solve for x
    x = 763,444,353.99/31,758.40
  6. Step 6: Final answer
    x = 24,039.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.